121202122100101 has 16 divisors (see below), whose sum is σ = 138661302867840. Its totient is φ = 103779093634560.

The previous prime is 121202122100083. The next prime is 121202122100113. The reversal of 121202122100101 is 101001221202121.

It is a cyclic number.

It is not a de Polignac number, because 121202122100101 - 2⁵ = 121202122100069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202122140101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402810330 + ... + 403111108.

It is an arithmetic number, because the mean of its divisors is an integer number (8666331429240).

Almost surely, 2^{121202122100101} is an apocalyptic number.

It is an amenable number.

121202122100101 is a deficient number, since it is larger than the sum of its proper divisors (17459180767739).

121202122100101 is an equidigital number, since it uses as much as digits as its factorization.

121202122100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360684.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202122100101 its reverse (101001221202121), we get a palindrome (222203343302222).

The spelling of 121202122100101 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, one hundred one".